词汇	重力流动
释义	重力流动 gravity flow
随便看	two direction road two direction rough decision-making two directions two-direction scaling functions two-direction self-aligning ball thrust bearing Two-direction Singular Rough Set two direction singular rough sets two-direction slab two directions of value streams two-direction sort two-direction S-rough fuzzy set two direction S-rough fuzzy sets Two Direction S-rough Sets Two-direction S-rough sets two-direction switch two-direction thrust bearing two-direction traveling tractor two-direction truss two-direction tunnel two-direction type two direction variation S-rough sets two-direction wavelet two-disc two discourse system two discoveries